two specific functions that polyp structures are used for. For each function, discuss similarities and differences in the way that bryozoans and hydroids use their polyps

Q: In the late 1960s (and since), Lynn Margulis (and others) provided considerable evidence for the…

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A: The features of protobiont are:-

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Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.